Datrys 2.1+2.4+2.1+2.5+3.9+3.6+4+3+3.7+2.4+2.9+3.6+4.2+3.7div14

$$2.1+2.4+2.1+2.5+3.9+3.6+4+3+3.7+2.4+2.9+3.6+4.2+3.7 \div 14$$

Enrhifo

$$\frac{5693}{140}\approx 40.664285714$$

Camau Ateb

Adio 2.1 a 2.4 i gael 4.5.

$$4.5+2.1+2.5+3.9+3.6+4+3+3.7+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 4.5 a 2.1 i gael 6.6.

$$6.6+2.5+3.9+3.6+4+3+3.7+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 6.6 a 2.5 i gael 9.1.

$$9.1+3.9+3.6+4+3+3.7+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 9.1 a 3.9 i gael 13.

$$13+3.6+4+3+3.7+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 13 a 3.6 i gael 16.6.

$$16.6+4+3+3.7+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 16.6 a 4 i gael 20.6.

$$20.6+3+3.7+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 20.6 a 3 i gael 23.6.

$$23.6+3.7+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 23.6 a 3.7 i gael 27.3.

$$27.3+2.4+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 27.3 a 2.4 i gael 29.7.

$$29.7+2.9+3.6+4.2+\frac{3.7}{14}$$

Adio 29.7 a 2.9 i gael 32.6.

$$32.6+3.6+4.2+\frac{3.7}{14}$$

Adio 32.6 a 3.6 i gael 36.2.

$$36.2+4.2+\frac{3.7}{14}$$

Adio 36.2 a 4.2 i gael 40.4.

$$40.4+\frac{3.7}{14}$$

Ehangu \frac{3.7}{14} drwy luosi'r rhifiadur a'r enwadur gyda 10.

$$40.4+\frac{37}{140}$$

Troswch y rhif degol 40.4 i’r ffracsiwn \frac{404}{10}. Lleihau'r ffracsiwn \frac{404}{10} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$\frac{202}{5}+\frac{37}{140}$$

Lluosrif lleiaf cyffredin 5 a 140 yw 140. Troswch \frac{202}{5} a \frac{37}{140} yn ffracsiynau gyda’r enwadur 140.

$$\frac{5656}{140}+\frac{37}{140}$$

Gan fod gan \frac{5656}{140} a \frac{37}{140} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{5656+37}{140}$$

Adio 5656 a 37 i gael 5693.

$$\frac{5693}{140}$$

Ffactor

$$\frac{5693}{5 \cdot 7 \cdot 2 ^ {2}} = 40\frac{93}{140} = 40.66428571428571$$